Vagrantfile with extra nets, disks and proxies

Vagrantfile

# -*- mode: ruby -*-
# vi: set ft=ruby :

# increment this so it is unique
$eth1_ip = "192.168.2.2"

def add_disk(vb, vm_id, port_num, size)
  # sata port_num should be unique > 0
  # size is in GB
  # notes: will only work if the image uses a sata controller.
  # The images from cloud-images.ubuntu.com use sata.
  # vagrant destroy will not remove the backing files - use the
  # media manager from the virtualbox gui instead 
  img_file = "disk_port%d.vdi" % port_num
  unless File.exist?(img_file)
     vb.customize ['createhd', '--filename', img_file, '--size', size * 1024]
  end
   vb.customize ['storageattach', vm_id, '--storagectl', 'SATAController',
                 '--port', port_num, '--device', 0, '--type', 'hdd', '--medium', img_file]
end


Vagrant.configure("2") do |config|

  config.vm.box = "trusty"
  config.vm.box_url = "https://cloud-images.ubuntu.com/vagrant/trusty/current/trusty-server-cloudimg-amd64-vagrant-disk1.box"

  config.vm.hostname = "devstack"

  # forward ssh keys from main host - handy for gerrit and github
  config.ssh.forward_agent = true

  # Add additional network interface - will appear as eth1.
  # It's plugged to a VB host-only network, so its IP can be accessed
  # directly from the main host without nat port-forwarding hassle.
  config.vm.network :private_network, ip: $eth1_ip

  # Add eth2 and eth3 - these can be used by Neutron or nova-network
  # It's necessary to specify IPs here - but they won't be configured in the VM.
  config.vm.network :private_network, ip: "192.168.3.2", auto_config: false
  config.vm.network :private_network, ip: "192.168.4.2", auto_config: false

  config.vm.provider "virtualbox" do |vb|
    vb.customize ["modifyvm", :id, "--cpus", "4"]
    vb.customize ["modifyvm", :id, "--memory", "5000"]
    # enable serial port just in case vagrant image does not
    vb.customize ["modifyvm", :id, "--uart1", "0x3F8", 4]
    # add a 20GB disk - will appear as /dev/sdb
    add_disk(vb, :id, 1, 20)
    # add a 30GB disk - will appear as /dev/sdc
    add_disk(vb, :id, 2, 30)
  end

  cmd = "echo export http_proxy=http://%{host}:%{port} >> %{bashrc}\n" \
        "echo export https_proxy=https://%{host}:%{port} >> %{bashrc}\n" \
        "echo export no_proxy=localhost,127.0.0.1,%{eth1_ip} >> %{bashrc}\n" \
        % {host: 'web-proxy.europe.hp.com', port: '8080',
           bashrc: '/home/vagrant/.bashrc', eth1_ip: $eth1_ip}  
  config.vm.provision "shell", inline: cmd, privileged: false

end